Срешением, . поставьте глаголы, стоящие в скобках, в зависимости от смысла во времена группы simple(indefinite), continuous или perfect. предложения переведите на язык. 1. they (to apply) new methods in their work already. 2. when you (to buy) this book? – i (to buy) it 3 days ago. 3. yesterday when the professor (to come) into the laboratory, jane (to write) down the results of her experiment. 4. before he (to go) to the conference, he (to have) lunch. 5. jack (to make) this experiment by 6 tomorrow. 6. the students (to solve) that complex mathematical problem only after the teacher (to help) them. 7. where your friend (to live)? – he (to live) in the south. 8. if she (to use) different methods in her experiment, she (to get) different results. 9. einstein (to present) his theory of relativity in 1905. 10. look! the water in the tube (to boil).

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